Electric Eraser Kit: This electric eraser kit comes with 42 large refills and 50 small refills for extended use. One-touch operation: Remove marks with the press of a button. 2 Eraser Sizes: Our electric eraser includes 2 eraser holders accommodating φ2.3mm and φ5mm erasers. Use the larger for broad highlights and the smaller for detailed erasing, such as hair. Perfect for artists and professionals. Comfortable Grip: Unlike bulky rectangular designs, this automatic eraser boasts a comfortable round shape. Powerful Erasing: The circular motion and powerful motor allow for efficient and precise erasure. Battery-Powered Eraser: Powered by 2 AAA batteries (not included), this electric eraser frees your hands for drawing and painting. Professional electric eraser for work, drawing, and learning. Ideal tool for artists, students, teachers, children, and adults; easy to use. Battery Installation: 1. Press the battery compartment by pushing the arrow on the cover. 2. Insert 2 AAA batteries according to the positive and negative markings. 3. Close the battery compartment. Operation: 1. Press the button to start the eraser rotation. 2. Rotate back and forth to remove unwanted marks. Replacing the Eraser: 1. When the eraser is worn, pull out the eraser holder. 2. Then pull out the eraser approximately 3mm. 3. Return to the original position for reuse. Electric Eraser Details: Package Includes: 1 x Electric Eraser 42 x 5mm Eraser Refills 50 x 2.3mm Eraser Refills Specifications: Material: Plastic Color: Black Weight: 80g Size: 223 x 96 x 18mm Warning: 1. Avoid placing parts in the mouth. 2. Powered by 2 AAA batteries (not included). 3. For prolonged storage, remove the batteries when not in use. Slim Pen Design: This automatic eraser is not a large rectangle, but a round shape, making it more comfortable to hold. 2 Eraser Sizes: Larger (φ2.3mm) and smaller (φ5mm). Use a larger one to create thick highlights and a smaller one to erase small details like hair. Electric Eraser Kit: Our electric eraser kit comes with 42 larger (Ø 5mm) refills and 50 smaller (Ø 2.3mm) refills for long-lasting use.